Contest Analytics
Break down your performance in every contest. Track delta changes and compare distributions across all your past rounds.
Codeforces Analytics Platform
Level Up Your Competitive Programming Journey
A unified analytics platform for Codeforces athletes. Track your rating trajectory, identify weak spots in your problem set, and optimize contest performance with deep data insights.
- Free to start
- No credit card
- Real-time sync
cplayground.dev
Contest Rating
1942 +48
Global Rank
#4,201
Rating History — Last 8 Contests
Rd. 1Rd. 8
148
Solved
23
Contests
Expert
Division
What we offer
Precision Tools for Programmers
Everything you need to analyze your competitive edge and dominate the leaderboard from day one.
Submission Insights
Analyze your most frequent error types — TLE, MLE, or WA — and focus your practice around actionable problem metrics.
Progress Dashboard
See your profile evolve from Newbie to Grandmaster with real-time milestone tracking and visual progress timelines.
Codeforces Integration
Automatically sync with your Codeforces handle. Real-time updates as soon as the contest rating system settles.
Problem Statistics
Discover your most difficult and high-impact areas. Pinpoint where you excel or struggle using advanced heatmap analytics.
Developer Portfolio
Generate a shareable profile showcasing your contest achievements and coding trajectory to potential employers.
- Submissions Analyzed
- 500k+Submissions AnalyzedProcessing data from across the globe in real-time.
- Data Latency
- 25msData LatencyHigh performance engine built for elite programmers.
- Active Candidates
- 12k+Active CandidatesFrom Expert to Legendary Grandmaster rankings.
Why CPlayground?
Why choose CPlayground?
Standard contest sites provide the data, but we provide the strategy. CPlayground turns raw statistics into actionable learning paths.
Integrated History
Every submission comes in one view, not your source context across scattered pages.
Weakness Detection
Automatically flags bugs, Dynamic Programming hotspots that drop your rating.
Portfolio Builder
Contest bundles are the thing ready-able to leaderboard.
The Modern Way to Code
if (performance < benchmark) {
analyze_weakness();
track_delta(rating);
}
// Auto-sync with Codeforces
cf.sync(handle, realtime=true);
>
Testimonials
Trusted by the Community
Alex Chen
Candidate Master
“The submission insights helped me realize I was wasting too much time on DP problems. My rating shot up after following the CPlayground roadmap.”
Sarah J.
International Master
“The platform is perfect for all my job applications. Clients are amazed by the insights provided by the level of data in my contest history.”
Marcus Weber
Grandmaster
“Best platform for tracking rating changes across multiple contest platforms. The UI is incredibly clean compared to legacy sites.”